From:	"Joerg Mensmann" <joerg DOT mensmann AT gmx DOT de>
References:	<7v7lar$aa1$1 AT news8 DOT svr DOT pol DOT co DOT uk>
Subject:	Re: Disk Serial Numbers
Date:	Thu, 28 Oct 1999 15:42:01 +0200
Lines:	18
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 5.00.2314.1300
X-MimeOLE:	Produced By Microsoft MimeOLE V5.00.2314.1300
Message-ID:	<PwiMcTXI$GA.301@fnews1.vi-internet.de>
Newsgroups:	comp.games.development.programming.misc,comp.os.msdos.djgpp
NNTP-Posting-Host:	r-13.dusseldorf.ipdial.viaginterkom.de 62.180.33.13
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Ben Davis <ben AT vjpoole DOT freeserve DOT co DOT uk> wrote:
> I have noticed that some floppy disks have serial numbers; the serial
> number appears when I type 'dir/w'. Can someone confirm that the
> serial number of a floppy disk cannot be changed through software

The serial number is written to the disk when it is formated. You might want
to look at some FAT filesystem-specifications to get the exact position on
disk. But you can be absolutely sure that it can be changed by software (no
copy-protection this way).

bye
  Joerg

- Raw text -